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我有一个主报表，它调用同一个子报表的两个实例，只有一个参数差异。主报表和子报表都可以在报表服务器上查看，并且存在于同一个文件夹中，使用同一个数据源，具有相同的权限。

报表在visual studio报表项目中查看时运行正常，但部署时不运行。

编辑：我发现问题出在具有 4 个或更多参数的子报告中。删除多值参数（降至 3）后，报告正确运行。向子报表添加非多值参数会导致问题再次出现。

我从 SQL Server 日志中收到以下错误：

processing!ReportServer_0-1!5884!11/20/2014-13:31:51:: e ERROR: An error has occurred while processing a sub-report. Details: Object reference not set to an instance of an object. Stack trace:
   at Microsoft.ReportingServices.ReportProcessing.ReportProcessing.IsAllDataShared(SubReport subReport, Boolean canShareDataSets)
   at Microsoft.ReportingServices.ReportProcessing.ReportProcessing.FetchSubReports(Report report, IChunkFactory getReportChunks, ErrorContext errorContext, OnDemandMetadata odpMetadata, CatalogItemContext parentReportContext, OnDemandSubReportCallback subReportCallback, Int32 subReportLevel, Boolean snapshotProcessing, Boolean processWithCachedData, Boolean canShareDataSets, GlobalIDOwnerCollection globalIDOwnerCollection, ParameterInfoCollection parentQueryParameters)
reportrendering!ReportServer_0-1!5884!11/20/2014-13:31:51:: e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.RenderingObjectModelException: The subreport 'rptCombinedItems' could not be found at the specified location /HVAC_STAGING/subrptQuoteLineItems. Please verify that the subreport has been published and that the name is correct., ;
 Info: Microsoft.ReportingServices.ReportProcessing.RenderingObjectModelException: The subreport 'rptCombinedItems' could not be found at the specified location /HVAC_STAGING/subrptQuoteLineItems. Please verify that the subreport has been published and that the name is correct.
processing!ReportServer_0-1!5884!11/20/2014-13:31:51:: e ERROR: An error has occurred while processing a sub-report. Details: The subreport 'rptCombinedItems' could not be found at the specified location /HVAC_STAGING/subrptQuoteLineItems. Please verify that the subreport has been published and that the name is correct. Stack trace:
   at Microsoft.ReportingServices.OnDemandReportRendering.SubReport.CheckRetrievalStatus(Status status)
   at Microsoft.ReportingServices.OnDemandReportRendering.SubReport.RetrieveSubreport()

至于参数传递，主要报告使用

<Parameters>
  <Parameter Name="OfficeCopy">
     <Value>=Parameters!OfficeCopy.Value</Value>
  </Parameter>
  <Parameter Name="QuoteProfile">
     <Value>=Parameters!QuoteProfile.Value</Value>
  </Parameter>
  <Parameter Name="isBreakout">
     <Value>=NOT(Parameters!ShowTotal.Value)</Value>
  </Parameter>
  <Parameter Name="quoteIDs">
     <Value>=Parameters!quoteIDs.Value</Value>
  </Parameter>
  <Parameter Name="printOptions">
     <Value>=Parameters!printOptions.Value</Value>
  </Parameter>

子报告需要：

  <ReportParameters>
    <ReportParameter Name="OfficeCopy">
      <DataType>Boolean</DataType>
      <Prompt>OfficeCopy</Prompt>
    </ReportParameter>
    <ReportParameter Name="QuoteProfile">
      <DataType>Integer</DataType>
      <Prompt>QuoteProfile</Prompt>
    </ReportParameter>
    <ReportParameter Name="isBreakout">
      <DataType>Boolean</DataType>
      <Prompt>isBreakout</Prompt>
    </ReportParameter>
    <ReportParameter Name="quoteIDs">
      <DataType>Integer</DataType>
      <Prompt>quoteIDs</Prompt>
      <MultiValue>true</MultiValue>
    </ReportParameter>
    <ReportParameter Name="printOptions">
      <DataType>Integer</DataType>
      <Prompt>printOptions</Prompt>
      <MultiValue>true</MultiValue>
    </ReportParameter>
  </ReportParameters>

最后，这是由 .NET 4.5.2 应用程序中的 Report Viewer 9.0.0.0 调用的，并且报表服务器正在运行 10.0.5520.0。服务器正在运行 Server 2008。

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